Cromar Alpha Chem Polyurethane FC40 is a single component, fast curing, polyurethane based elastomeric sealant used for joints where a highly elastic strong bond is required, with excellent chemical, mechanical and weather resistance.
 
Specially developed for bonding various building materials and for sealing of expansion joints. As a sealant it adheres, without a primer, to the substrates such as wood, concrete, stone, anodized aluminium, polyester, glass, ceramics, baked clay. Overpaintable with water based paints (solvent based paints always test to ascertain compatibility).
 
Suitable for use with PROGRP, Flexiglass and Elastathane Extreme Roofing systems.